Ok, af far as modeling I think this is it for the shoes, there is some detail on the sole that I think I'll have to cheat and do it in gimp, otherwise I don't think I have the required skill to sculp it and it might even be overkill, give it a look and tell me what you think
https://www.pixiv.net/member_illust.php?mode=medium&illust_id=73195993